diff --git a/common/listener/listener.go b/common/listener/listener.go
index cc27a62e..b0f78eb8 100644
--- a/common/listener/listener.go
+++ b/common/listener/listener.go
@@ -91,7 +91,7 @@ func (l *Listener) Start() error {
 			return err
 		}
 		l.packetOutboundClosed = make(chan struct{})
-		l.packetOutbound = make(chan *N.PacketBuffer, 64)
+		l.packetOutbound = make(chan *N.PacketBuffer, 1024)
 		go l.loopUDPIn()
 		if !l.disablePacketOutput {
 			go l.loopUDPOut()
diff --git a/common/listener/listener_udp.go b/common/listener/listener_udp.go
index e689c8bb..672fd9b6 100644
--- a/common/listener/listener_udp.go
+++ b/common/listener/listener_udp.go
@@ -198,7 +198,7 @@ func (w *packetWriter) WritePacket(buffer *buf.Buffer, destination M.Socksaddr)
 		if w.shutdown.Load() {
 			return os.ErrClosed
 		}
-		w.logger.Trace("dropped packet to ", destination)
+		w.logger.Debug("dropped packet to ", destination)
 		return nil
 	}
 }
diff --git a/constant/timeout.go b/constant/timeout.go
index e1bc7ccd..d368869a 100644
--- a/constant/timeout.go
+++ b/constant/timeout.go
@@ -30,6 +30,6 @@ var ProtocolTimeouts = map[string]time.Duration{
 	ProtocolDNS:  10 * time.Second,
 	ProtocolNTP:  10 * time.Second,
 	ProtocolSTUN: 10 * time.Second,
-	ProtocolQUIC: 30 * time.Second,
-	ProtocolDTLS: 30 * time.Second,
+	ProtocolQUIC: 60 * time.Second,
+	ProtocolDTLS: 60 * time.Second,
 }